Keyboard



FIG. 1 is a top plan view of a keyboard showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side being amirror image.

The broken lines in FIGS. 1 and 4 are shown for illustrative purposesonly.

The ornamental design for a keyboard, as shown and described.